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Subject: Re: [OMPI devel] coll/tuned MPI_Bcast can crash or silently fail when using distinct datatypes across tasks
From: Nathan Hjelm (hjelmn_at_[hidden])
Date: 2014-04-23 01:55:52


The ompi_datatype_flatten.c file appears to be missing. Let me know once
it is committed and I will take a look. I will see if I can write the
RMA code using it over the next week or so.

-Nathan

On Wed, Apr 23, 2014 at 02:43:12PM +0900, Gilles Gouaillardet wrote:
> Nathan,
>
> i uploaded this part to github :
> https://github.com/ggouaillardet/ompi-svn-mirror/tree/flatten-datatype
>
> you really need to check the last commit :
> https://github.com/ggouaillardet/ompi-svn-mirror/commit/a8d014c6f144fa573eeee2bdd25f8b6b05b07ea8
>
> please consider this as experimental and poorly tested.
> that being said, this is only addition to existing code, so it does not
> break anything and could be pushed to the trunk.
>
> Gilles
>
> On 2014/04/23 0:05, Hjelm, Nathan T wrote:
> > I need the flatten datatype call for handling true rdma in the one-sided code as well. Is there a plan to implement this feature soon?
> >
>
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